Chapter 5. REPAIR OF THE POWER PLANT

R E P A I R OF THE POWER PLANT

Section I. COOLING SYSTEM

5-1. General

coolant becomes sufficiently warm, the regulator

opens to permit the coolant to return to the

Cooling system components are the radiator, water

radiator. The coolant is cooled by air forced

pump, water temperature regulator, oil cooler and

through the radiator core. The cooling system is

lines, fittings and passages. Coolant pumped from

pressurized to permit safe operation at tem-

the outlet side of the water pump flows directly into

peratures higher than the normal boiling point,

the front of the cylinder block and to the oil cooler.

prevent cavitation in the water pump and reduce

The coolant passes through the oil cooler, returns to

the possibility of air pockets in the coolant passages.

the block, and flows around the cylinder liner walls

Refer to figure 5-1 for the cooling system schematic

to the precombustion chambers. The coolant then

diagram.

flows to the water temperature regulator. When the

Figure 5-1. Cooling system schematic diagram.

233-10) and remove engine upper right guard

5-2. Radiator

assembly (TM 5-2410-233-20).

a. Removal.

(2) Remove the hood, headlight brackets (fig.

(1) Drain the cooling system (TM 5-2410-

5-2) and radiator top guard.

5-1